Oct 10 (Reuters) - Merit Medical Systems Inc: * MERIT MEDICAL SYSTEMS INC - MARTHA G. ARONSON APPOINTED AS PRESIDENT AND CEO OF MERIT - SEC FILING * MERIT MEDICAL SYSTEMS INC - FRED P. LAMPROPOULOS TO REMAIN AS CHAIRMAN OF BOARD - SEC FILING Further company coverage: (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)